Hello all: We just received the Snowdown fall/winter vegetable collection from Horizon Herbs. I don't particularly like buying seed and having it shipped across the country, but I've had trouble finding a good local source of heirloom seeds. Anyway, here is a list of the veges: Touchstone Gold Beets Green Sprouting Broccoli Chirimen Hakusai Cabbage Scarlet Nantes Carrots Champion Collard Greens Creasy Greens (Winter Cress) Vates Blue Curled Kale Winter Spinach Bandit Leeks Winter Density Lettuce Mammoth Melting Snow Peas Miyashege White Daikon Radish We are in 1990 USDA zone 7a. Our state put out a fall planting guide back in 99/00 and for our area stated that the first killing frost occurs on/near the 24th of October. This same guide suggests planting for fall as early as July and no later than August. In July it regularly reaches 100 F (37.7 C), so I don't really know how they get by suggesting we plant winter crops then! I understand the end of August though, but our August was running a little warmer than usual with temps hitting 90 F (32.2 C) regularly. So it is now the end of September and we are planting out a handful of each just in case. Obviously, no one can predict whether or not our plants will survive let alone do well enough to harvest anything. But the seed packets themselves say they can be planted in September and even into October. Horizon Herbs is in zone 8, which I presume those instructions are for. I know we are pushing it, but if you have any experience extending the growing season with mulch/stones/etc I would be happy to hear about it. Thanks! Edit: this might be of some help. Yes, it is just one year's data, but it didn't freeze at all last October.